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Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

Looks like my PC, which has Slackware 13.0, don't know how to reach the modem even they are physically connected.

Question:
1. how can I configure the modem, PC, and router so that the PC can reach the router? Do I need to do add route gateway from the PC?
2. How can I configure internet connection from the PC (before I use PPPoE)?
3. How can I configure the modem, PC, and router so that the wireless network is on?

yeah, I just realized that and changed the network configuration, so that the modem and router are in the different subnet. So, added the router IP address as the gateway in the PC side, now I got the internet working from the PC side.

But now after the wireless side in the router is configured, my laptop (my wireless client) can make connection to the wireless network, but the browser cannot download any traffic.

Hi,
Is your router is configured via http? I mean to set up the router one opens an internet browser and in the address field enters eg. http://192.168.1.100 ? (This is address of my router ) If it is connect to router and and check all possible settings. There are also system logs. The router should be set as DHCP, i.e. each computer from a local network connecting to the router obtain an IP address - this IP address is leased by the router for a some time (eg. 86000 sec.). Access to a wireless routers is sometimes protected via password - eg. WPA or WPA2 protection, so before any an IP leas a computer must submit proper password. I don't understand your modem has its own IP address? Also an address range is strange for me. Your router has IP = 192.168.2.0 and your computer IP= 192.168.1.0. The difference in numbers should be rather in the fourth field not in the third. Moreover the usual configuration is that it is only a router which is connected to a modem. Access to modem is via a wireless router only. In my home my router is connected to an external modem (there are also routers with inner modem), my router is configured as DHCP server, and all my computers make connections with the internet via the router. Basically there are two programs which make simple maintaining wireless connections - Network Manager and Wicd.

Hi,
I checked the docs. The default address of your router is 192.168.1.1. You should be able to connect with it via http://192.168.1.1 in a web browser. Usually access is protected with a name of administrato and a password. You may find both in the documentation shipped with the router. If you will have any problems with wireless connection use a cable, connect your laptop to the router with cable.

set LAN IP of modem in different subnet than the router, disable dhcp so I can limit the IP address allocation, set the correct DNS server IP address, and set the correct gateway (the router IP) to the laptop and PC clients.